Irkutsk Electroprospecting Company one of the leading enterprises in Russia who offers a full cycle of electroprospecting researches - TEM, MTS, Direct-current methods for a wide range of geological tasks. It allows to investigate the geological environment with high resolution, mobility and reasonable cost.
 
 
 
   
 

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Methods of direct current

 

The methods of direct current are broadly applicable, and are marketable in the investigations of the upper cross-section. They are distinguished by simplicity in fulfilling and high quality of information.

For implementing this method at IERP we employ the digital tools of SGS-VES system. The performance characteristics let the work to be executed with a high efficiency and accuracy. The software package is capable of conducting express analysis of the acquired material in field conditions.

Features of gauging equipment:

·                Recording signals proceeds simultaneously from several electric lines;

·                Registration of the feeding current form;

·                Registering one sample/metering lasts 5 s;

·                The registered parameters are loaded into DB and key blocks of binary files;

·                Curve ρ?  and table of parameters are computed in time of registration;

·                The computed curves are saved into the file compatible with the quality registration program;

·                The curve can be registered both with uncoiling and coiling of the array;

·                Applying digital registration and processing signal of vertical electric sounding raises accuracy of value ρ? to 1 – 2 %;

·                It is possible to receive a reliable signal dV at low MN and even with semi-separation ?? to be some hundred meters under moderate level of noise with supply voltage 12 V;

·                Presence of long branches of curves obtained with minor MN lets precisely evaluate the mode of their scanning and more reliably define position of the medium curve VES;

·                Calculation of ? with turned array provides additional information on the distribution of geoelectric heterogeneities of the upper cross-section over the profile.  

In surveying by VES method we use a nonstandard grid of spacing ??/2 preset on condition of 12 counts per one decimal module. Such spacing is two-fold denser than that recommended by the regulations on electric sounding. However in this case a high density of measurements lets considerably raise accuracy of the materials obtained and correct VES curves complicated by geoelectric heterogeneities.

News

26.12.2012

Dear Friends! Irkutsk Electroprospecting Company wishes you every happiness this holiday season and throughout the coming year.  
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21.06.2012

IERP invites you to take part in the 2nd International GEOBAIKAL 2012 Research and Application Conference on Electromagnetic Research Methods ...

15.06.2012

Thank you for visiting us at 74th EAGE Conference & Exhibition in Copenhagen.

 

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